Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H100⋯O3i	0.88	2.37	3.040 (2)	133
N4—H400⋯O1ii	0.88	2.47	3.174 (2)	138
N4—H400⋯N2ii	0.88	2.59	3.2136 (19)	128
C3—H3⋯N4iii	0.95	2.56	3.441 (2)	155
C13—H13⋯O3iv	0.95	2.51	3.126 (2)	123

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) .